Sens Interdits (1987)

aka's: Dirty Angel/Sex Sleuth

Bob Lane (Yves Callas) dreams of being a private detective with a secretary Cynthia (Diane Suresne) with whom he has sex on the office desk. He also dreams of saving Tatiana (Marianne Aubert) from burglars and receiving her gratitude in physical form. His secretary has sex with the gas man to avoid paying the bill. Nightclub singer Diane (Marilyn Jess) is having an affair with an older man, Freddy Raclay (Jean Caumont). They play games where she is a dominatrix. Freddy's wife Edwige (Dominique Saint Claire) is having an affair with Raoul (Gabriel Pontello) and experiments with anal sex with him and her husband. Diane is kidnapped by two gangsters who have sex with her. She is rescued by Tatiana, but they have a fight and girl on girl session in the mud before being hosed down by Bob. In the end it all turns out to be Bob's dream. ADULT CONTENT.